Target Audience:
Garage owners, Service repairers, MOT testers, Parts advisors, Collectors, Enthusiasts, DIYers
Value Proposition:
Cost-effective, complete, and intact manual used by local service/repair shops, saving time and providing confidence for repairs.
Navigation:
Easy-to-navigate, quick access within a single browser window, table of contents per section, expandable pages for detail.
Reliability:
Guaranteed fully functional, no activation codes, encryptions, or passwords.
Completeness:
Complete and intact, mirroring factory service documentation, offering comprehensive coverage.
Parts Information:
Includes parts information to help identify frequently-used maintenance parts.
Primary Coverage:
All W140 Series Models, Engines, Trim, and Transmission Types
Specific Models Covered:
300 SE / S 320 SWB / S 320 LWB, 400 SE / 400 SEL / S 420, 500 SEL / S 500, 600 SEL / S 600, 300 SD / S 350, 500 SEC / S 500 Coupe, 600 SEC / S 600 Coupe, CL 500, CL 600
Type:
Workshop Repair & Service Manual
Content Type:
Technical Repair, Service, Maintenance, and Troubleshooting
Download Format:
PDF, ZIP
Delivery Method:
Instant Download
Engine And Drivetrain:
Engine Lubrication and Cooling, Engine Fuel System, Fuel Injection System, Engine Combustion System, Crankshaft/Transmission/Balancer, Gearbox & Clutch, Transmission System, Rear Wheel System, Crankcase/Piston/Cylinder, Cylinder Head/Valves
Chassis And Suspension:
Suspension, Wheels & Tyres, Front Wheel and Steering System, Braking System, Chassis, Frame/Body Panels/Exhaust System
Electrical And Electronics:
Electrical System, Battery/Charging System, Alternator/Starter Clutch, Ignition System, Lights/Meters/Switches
Body And Accessories:
Body & Fixtures, Fenders and Exhaust Pipe
Fuel And Emissions:
Engine Fuel System, Fuel Injection System, Engine Combustion System, Emissions Control Systems
Steering And Suspension:
Front Wheel and Steering System, Rear Wheel System, Suspension System Components
Body And Interior:
Frame/Body Panels, Body & Fixtures, Interior Trim, Doors, Windows, Seats
Exhaust System:
Includes repair and replacement procedures for the exhaust system and catalytic converters.
Repair And Rebuild:
Component disassembly and assembly, Complete step-by-step instruction for repair and troubleshoot
Maintenance And Diagnostics:
Periodic checks & Adjustments, Maintenance, Troubleshooting, Fault code diagnostics, Re-setting of service light indicators, Fluid levels & grades, Service intervals
Diagnostics:
Troubleshooting guides, fault code diagnostics, system testing procedures
Specifications:
Specific torque settings, fluid capacities, fluid grades, electrical specifications, diagnostic data
Recalibration Procedures:
Includes procedures for recalibrating various sensors and control modules after component replacement or repair.
Depth:
Comprehensive technical details, diagnostic manual with test and troubleshoot information, wiring diagrams (ETM with STAR Finder), specific torque settings, general vehicle maintenance & mechanical information
Diagnostic Tools Referenced:
STAR Finder (for wiring diagrams), ETM (Electronic Troubleshooting Manual)
Packaging:
ZIP archive containing ISO image
Interactivity:
Web-based format for ETM with hyperlinked component locations and diagrams.
Searchability:
PDF format is generally searchable, aiding in quick information retrieval.
Printability:
Fully printable pages
Visual Quality:
High quality, no missing/corrupt parts or pages
Digital Format:
ISO Image (requires burning or mounting)
Digital Content:
Web-based format for ETM with links to component location
Operating Systems:
Win95/98/ME/XP/vista/7/Linux/MAC (including Windows 8 compatibility notes)
Software Requirements:
Adobe Reader 9 or earlier, Autodesk DWF Viewer for ETM
Engines Covered:
Various inline-6, V8, and V12 gasoline and diesel engines specific to the W140 chassis.
Typical Performance Notes:
The manual details specifications for a range of engine displacements, from 3.0L to 6.0L, catering to different performance requirements of the S-Class models.
Fuel Systems Covered:
Electronic Fuel Injection (EFI) systems, including specific components and diagnostic procedures.
Standard Transmission:
Automatic transmissions (e.g., 4-speed 722.3/722.4, 5-speed 722.6) depending on model and year.
Optional Transmission:
The manual covers all transmission types fitted to the W140 series, including variations.
Coverage:
Includes detailed repair, overhaul, and adjustment procedures for automatic transmissions.
General Safety:
The manual covers all safety-related systems, including braking, airbags (if equipped), and body structure.
Braking System Details:
Anti-lock Braking System (ABS) diagnostic and repair procedures.
Airbag Information:
While specific airbag component testing may be detailed, it's crucial to follow the manual's safety precautions for airbag systems.
Features Covered:
The manual touches upon the operation and troubleshooting of the integrated audio systems and climate control (HVAC), which were advanced for their time.
Climate Control:
Detailed diagnostics and repair for the dual-zone automatic climate control system (THERMOTRONIC), including sensor calibration and blower motor resistor issues.
Assistance Systems:
Coverage of systems like cruise control, and potentially early forms of electronic stability control (ESP) where applicable, and troubleshooting related to their sensors and actuators.
Parking Assistance:
Information on parking assist systems (if equipped), including sensor diagnostics and control module troubleshooting.
Wiring Diagrams:
The Electronic Troubleshooting Manual (ETM) provides detailed wiring diagrams with links to component locations, crucial for diagnosing any electrical system issues.
General Intervals:
The manual provides detailed information on recommended service intervals for various maintenance tasks, fluid changes, and component inspections, typically tied to mileage or time intervals (e.g., every 10,000-15,000 miles or annually).
Engine Oil:
Specific SAE viscosity grades (e.g., SAE 0W-40, 5W-40, 10W-40) and Mercedes-Benz approval specifications (e.g., MB-Approval 229.5) for different engine types and operating conditions.
Coolant:
Mercedes-Benz approved coolant concentrates (e.g., G48 or similar ethylene glycol-based antifreeze/coolant) and correct dilution ratios.
Transmission Fluid:
Specific ATF (Automatic Transmission Fluid) specifications, such as MB-Approval 236.x series, depending on the transmission type.
Brake Fluid:
DOT 3 or DOT 4 brake fluid, conforming to Mercedes-Benz specifications.
Common W140 Topics:
The manual is invaluable for addressing common W140 issues such as SRS system faults, vacuum leaks (especially related to door locks and HVAC), biodegrading wiring insulation, catalytic converter issues, and certain electronic control unit (ECU) failures. Specific troubleshooting for these is covered.
Engine Specific Issues:
Manual details troubleshooting for M119 (V8), M120 (V12), and M104 (inline-6) engine issues, including timing chain guides (M120), head gasket concerns, and ignition system performance.
Electrical System Common Problems:
Extensive coverage for vacuum actuator failures (central locking, trunk release, HVAC flaps), conductor plate issues in transmissions, and CAN bus communication faults.
Manufacturer:
Mercedes-Benz is renowned for its engineering excellence, luxury, and innovation, established in 1926.
W140 Positioning:
The W140 S-Class represented a significant leap in automotive technology and luxury for its time, often referred to as the 'Sonderklasse' (Special Class).
W140 Significance:
The W140 was a pivotal model for Mercedes-Benz, pushing the boundaries of luxury, technology, and size in the executive sedan segment.
Production Period:
1991 (intro) - 1998/1999.
